ASoC: apq8096: add slim support (9f11d233) · Commits · e / devices / android_kernel_fairphone_FP5

sound/soc/qcom/apq8096.c

+70 −1

Original line number	Diff line number	Diff line
		@@ -9,6 +9,10 @@
		#include <sound/pcm.h>
		#include "common.h"

		#define SLIM_MAX_TX_PORTS 16
		#define SLIM_MAX_RX_PORTS 16
		#define WCD9335_DEFAULT_MCLK_RATE 9600000

		static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
		struct snd_pcm_hw_params *params)
		{
		@@ -23,14 +27,79 @@ static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
		return 0;
		}

		static int msm_snd_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
		{
		struct snd_soc_pcm_runtime *rtd = substream->private_data;
		struct snd_soc_dai *codec_dai = rtd->codec_dai;
		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
		u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
		u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
		int ret = 0;

		ret = snd_soc_dai_get_channel_map(codec_dai,
		&tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
		if (ret != 0 && ret != -ENOTSUPP) {
		pr_err("failed to get codec chan map, err:%d\n", ret);
		goto end;
		} else if (ret == -ENOTSUPP) {
		return 0;
		}

		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
		rx_ch_cnt, rx_ch);
		else
		ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, tx_ch,
		0, NULL);
		if (ret != 0 && ret != -ENOTSUPP)
		pr_err("Failed to set cpu chan map, err:%d\n", ret);
		else if (ret == -ENOTSUPP)
		ret = 0;
		end:
		return ret;
		}

		static struct snd_soc_ops apq8096_ops = {
		.hw_params = msm_snd_hw_params,
		};

		static int apq8096_init(struct snd_soc_pcm_runtime *rtd)
		{
		struct snd_soc_dai *codec_dai = rtd->codec_dai;

		/*
		* Codec SLIMBUS configuration
		* RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
		* TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13
		* TX14, TX15, TX16
		*/
		unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149,
		150, 151, 152, 153, 154, 155, 156};
		unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
		134, 135, 136, 137, 138, 139,
		140, 141, 142, 143};

		snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch),
		tx_ch, ARRAY_SIZE(rx_ch), rx_ch);

		snd_soc_dai_set_sysclk(codec_dai, 0, WCD9335_DEFAULT_MCLK_RATE,
		SNDRV_PCM_STREAM_PLAYBACK);

		return 0;
		}

		static void apq8096_add_be_ops(struct snd_soc_card *card)
		{
		struct snd_soc_dai_link *link;
		int i;

		for_each_card_prelinks(card, i, link) {
		if (link->no_pcm == 1)
		if (link->no_pcm == 1) {
		link->be_hw_params_fixup = apq8096_be_hw_params_fixup;
		link->init = apq8096_init;
		link->ops = &apq8096_ops;
		}
		}
		}